Answer: Your welcome!
Step-by-step explanation:
egg provides nutrients - egg development - this describes the process in which the egg provides nutrients to the developing embryo.
covered with membranes - egg development - this describes the process in which the egg is covered with membranes to provide a protective layer for the developing embryo.
leathery shell - egg development - this describes the process in which the egg develops a leathery shell to protect the developing embryo.
placenta provides nutrients - mammalian development - this describes the process in which the placenta provides nutrients to the developing embryo in the mother's body.
embryo develops inside mother's body - mammalian development - this describes the process in which the embryo develops inside the mother's body, where it is nourished and protected by the placenta.
Thanks! #BO